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Finding the Fourth Proportional to 7,774.11, 11,661.12 and 2,227.41

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Solution

The fourth proportional to 7,774.11, 11,661.12 and 2,227.41 is: 3,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.11 : 11,661.12 = 2,227.41 : x
  2. Step 2: Convert to fraction form
    7,774.11/11,661.12 = 2,227.41/x
  3. Step 3: Cross multiply
    7,774.11x = 11,661.12 × 2,227.41
  4. Step 4: Simplify right side
    7,774.11x = 25,974,095.30
  5. Step 5: Solve for x
    x = 25,974,095.30/7,774.11
  6. Step 6: Final answer
    x = 3,341.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.